151462321 has 2 divisors, whose sum is σ = 151462322. Its totient is φ = 151462320.

The previous prime is 151462309. The next prime is 151462343. The reversal of 151462321 is 123264151.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130850721 + 20611600 = 11439^2 + 4540^2 .

It is a cyclic number.

It is not a de Polignac number, because 151462321 - 2⁷ = 151462193 is a prime.

It is not a weakly prime, because it can be changed into another prime (151462121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75731160 + 75731161.

It is an arithmetic number, because the mean of its divisors is an integer number (75731161).

Almost surely, 2^151462321 is an apocalyptic number.

It is an amenable number.

151462321 is a deficient number, since it is larger than the sum of its proper divisors (1).

151462321 is an equidigital number, since it uses as much as digits as its factorization.

151462321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 151462321 is about 12307.0029251642. The cubic root of 151462321 is about 533.0503128153.

The spelling of 151462321 in words is "one hundred fifty-one million, four hundred sixty-two thousand, three hundred twenty-one".